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COLERAIN TWP, Ohio -- An 18-year-old Colerain High School student charged with bringing a loaded handgun to school was ordered Friday to stay away from campus.

After students warned administrators, an officer brought William Rosemond to the school's office Thursday and checked to see if he was carrying a gun.

The officer found a 32 caliber semi-automatic Beretta in Rosemond's pants, police said.

Rosemond said he carried it for protection.

The gun had one round in it.

Rosemond is charged with carrying a concealed weapon and possession of a firearm in a school safety zone, both felony charges.

He appeared in a Hamilton County courtroom Friday for arraignment and was given a $10,000 bond.

School administrators sent this letter home with students:

Dear Parents,

I want to make you aware that a student brought a gun to school today. When the administration became aware of the situation, it was handled quickly and professionally. The student was brought to the office and the weapon was found. He was then removed from school and arrested.

I want to assure you that your children's safety remains our top priority. We have safety and crisis plans in place for situations like this. The hours of school safety training that our administrators and staff have attended have proven beneficial as we were able to handle this situation quickly and effectively.

Please contact me directly if you any questions or concerns. Colerain High School will remain a safe place for our teachers to teach and our students to learn.

Thank you for your continued support.

Maureen Heintz Principal

Copyright 2014 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.